Senior Security Engineer - Detection Engineering at fastlyfastly · Denver, CO; New York City, NY; San Francisco, CA

Workplace: Remote, Hybrid

Posted: 2026-10-30

Skills: Python, AWS, Docker, CI/CDFastly helps people stay better connected with the things they love. Fastly’s edge cloud platform enables customers to create great digital experiences quickly, securely, and reliably by processing, serving, and securing our customers’ applications as close to their end-users as possible — at the edge of the Internet. The platform is designed to take advantage of the modern internet, to be programmable, and to support agile software development. Fastly’s customers include many of the world’s most prominent companies, including GitHub, Yelp, Paramount, and JetBlue. We're building a more trustworthy Internet. Come join us. Posting Open Date: October 6, 2026 Anticipated Posting Close Date: December 6, 2026 Job posting may close early due to the volume of applicants. Senior Security Engineer, Detection Engineering As a Senior Security Engineer on our Detection Engineering team, you will build the detections that catch malicious activity across the Fastly environment and drive the investigations that follow. We are looking for a teammate with a strong security engineering foundation and hands-on experience in security incident response, detection development, and applying AI to security operations. In this role, you will design and build AI agents and automations to support detection and response, develop advanced detections, perform threat hunts, and lead security investigations. What You'll Do: Develop detections and other analytics to identify threats across cloud, container, corporate, and edge environments. Lead security investigations, analyzing complex log sources and telemetry to determine root cause. Build AI agents and automations that speed up detection development, triage, and incident response. Research, evaluate, implement, and maintain a variety of custom and commercial security tools, such as EDR, SOAR, and SIEM. Conduct threat hunts to discover unknown malicious activity across our environment. Participate in our on-call rotations. What We're Looking For…Sign in to see the original postingBrowse more developer jobs on RoleBurst